• Tonight

    Sep 3

    Lo 72°

    A thunderstorm in spots early

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Sep 4

    89°Lo 70°

    A stray afternoon t-storm

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Sat

    Sep 5

    83°Lo 64°

    Sunny to partly cloudy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Sep 6

    83°Lo 65°

    Mostly sunny and humid

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Sep 7

    86°Lo 68°

    Partly sunny, warm and humid

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 89° RealFeel® 98° Precipitation 41%

Day

N

E

S

W

  • ENE 7 mph
  • Gusts: 9 mph

Partly sunny and humid; widely separated afternoon thunderstorms

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 70° RealFeel® 69° Precipitation 40%

Night

N

E

S

W

  • ENE 7 mph
  • Gusts: 10 mph

A shower or thunderstorm in spots in the evening; otherwise, partly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 89° 84° 95° (2008) 91°
Low 70° 66° 49° (1908) 74°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:54 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:49 PM with 14:26 of moolight, then sets at 2:15 PM

Arlington Weather Report

DC, Baltimore: Heat to Rebuild Labor Day Weekend After Cooldown

September 3, 2015; 4:55 PM ET

A backdoor front will trim temperatures, haze and humidity around the Washington, D.C., and Baltimore areas early this weekend before all three conditions build by early next week. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Fri. Snow Day Potential